M-LH series miniature circuit breakersDetailed product description：

Technical parameters of M-LH series miniature circuit breaker

Electrical parameters
a. Compliant with electrical standards: IEC 947.2 (EN60947.2) GB14048.2
b. Rated voltage Ue: 230V/400V; 50/60Hz
c. Rated breaking capacity Icn: 6kA
d. DC short-circuit breaking capacity: maximum 60V/single pole 25kA
e. Rated current In: 50,63,80100125A
f. Release characteristics: C, D characteristic curves
g. Maximum connectable fuse: 200A gL (>20kA)
h. Selective level: 3
i. Working environment temperature: -5 to+40oC
j. Shell protection level: IP40 (after installation)
k. Lifespan: no less than 8000 on-off actions

mechanical parameters
a. Exposed surface length: 45mm
b. Shell height: 90mm
c. Shell width: 27mm per pole (single pole)
d. Installation method: Using IEC standard guide rail 35mm
e. Terminal form: raised terminal block
F. Terminal wiring capacity: 2.5-50mm2
Main Features
a. Extremely high breaking capacity and current limiting characteristics
b. Equipped with a contact status indicator
c. Featuring a dedicated accessory series

Overall dimensions

Short circuit and overload protection in industrial, commercial, and civilian electrical circuits.	rated current In （A）	rated segmentation ability （kA） Lcn	1.5 modules	3 modules
C characteristic curve Instantaneous characteristics 5~10In Mainly used in the fields of commercial and civil construction distribution protection	twenty	twenty-five	M-LH-100/20/1/C	M-LH-100/20/2/C
	twenty-five	twenty-five	M-LH-100/25/1/C	M-LH-100/25/2/C
	thirty-two	twenty-five	M-LH-100/32/1/C	M-LH-100/32/2/C
	forty	twenty-five	M-LH-100/40/1/C	M-LH-100/40/2/C
	fifty	twenty-five	M-LH-100/50/1/C	M-LH-100/50/2/C
	sixty-three	twenty-five	M-LH-100/63/1/C	M-LH-100/63/2/C
	eighty	twenty	M-LH-100/80/1/C	M-LH-100/80/2/C
	one hundred	twenty	M-LH-100/100/1/C	M-LH-100/100/2/C
	one hundred and twenty-five	fifteen	M-LH-100/125/1/C	M-LH-100/125/2/C
D characteristic curve Instantaneous characteristics 10~15In Mainly applicable to the field of industrial power distribution	fifty	twenty-five	M-LH-100/50/1/D	M-LH-100/50/2/D
	sixty-three	twenty-five	M-LH-100/63/1/D	M-LH-100/63/2/D
	eighty	twenty	M-LH-100/80/1/D	M-LH-100/80/2/D
	one hundred	fifteen	M-LH-100/100/1/D	M-LH-100/100/2/D

load capacity
Suitable for unipolar M-LH series
Allowable load at ambient temperature T (oC) and n switch operating states: IDL=LnKT (T) KN (N)

Used for industrial, commercial, and civilian purposes Using short circuits in electrical circuits Road and overload protection.	rated current In （A）	rated segmentation ability （kA） Lcn	4.5 modules 3 poles	6 modules 4-pole
C characteristic curve Instantaneous characteristics 5~10In Mainly used for commercial and civilian purposes Using power distribution protection in the field of construction	twenty	twenty-five	M-LH-100/20/3/C	M-LH-100/20/4/C
	twenty-five	twenty-five	M-LH-100/25/3/C	M-LH-100/25/4/C
	thirty-two	twenty-five	M-LH-100/32/3/C	M-LH-100/32/4/C
	forty	twenty-five	M-LH-100/40/3/C	M-LH-100/40/4/C
	fifty	twenty-five	M-LH-100/50/3/C	M-LH-100/50/4/C
	sixty-three	twenty-five	M-LH-100/63/3/C	M-LH-100/63/4/C
	eighty	twenty	M-LH-100/80/3/C	M-LH-100/80/4/C
	one hundred	twenty	M-LH-100/100/3/C	M-LH-100/100/4/C
	one hundred and twenty-five	fifteen	M-LH-100/125/3/C	M-LH-100/125/4/C
D characteristic curve Instantaneous characteristics 10~15In Mainly suitable for industrial use Power distribution field	fifty	twenty-five	M-LH-100/50/3/D	M-LH-100/50/4/D
	sixty-three	twenty-five	M-LH-100/63/3/D	M-LH-100/63/4/D
	eighty	twenty	M-LH-100/80/3/D	M-LH-100/80/4/D
	one hundred	fifteen	M-LH-100/100/3/D	M-LH-100/100/4/D

energy consumption
Compliant with EN960898 standard





Short circuit performance of M-LH (20-100) and fuse D0 or NH
1.4 High selectivity can pass 1.4kA: □ No selection function
Selective fuses D01, D02, D03

Selective use of fuse NH-00

Rated current of M-LH		Rated current of fuse gL (A)
		twenty-five	thirty-five	fifty	sixty-three	eighty	one hundred
C characteristic curve	twenty	<0.5	one	two	two point nine	three point nine	seven point six
	twenty-five		one	one point nine	two point eight	thirty-eight	seven point six
	thirty-two		one	one point eight	two point seven	three point six	seven
	forty			one point six	two point two	three	five point six
	fifty				two point one	two point eight	five point two
	sixty-three					two point seven	four point eight
	eighty						four point three
	one hundred
	one hundred and twenty-five
D characteristic curve	twenty	<0.5	zero point nine	one point seven	two point five	three point four	six point seven
	twenty-five		zero point nine	one point six	two point three	three point two	six point two
	thirty-two		zero point nine	one point five	two point three	three	six
	forty			one point four	two	two point six	four point seven
	fifty				one point eight	two point three	four point three
	sixty-three					two point one	three point seven
	eighty						three point one
	one hundred

The characteristics of the release device comply with the IEC898 (EN60898) standard;
B characteristic curve: generally used in lighting distribution systems;
C characteristic curve: generally used for lighting distribution, socket circuits or parts
In the power distribution system;
D characteristic curve: generally used for power or other strongly inductive load circuits

M-LH series miniature circuit breaker characteristic curve